Question: which unit  of mass starts with z
Paraphrase: Give me the name of the unit of mass that starts with Z.
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q3647172 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'z')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: zeptogram, zeptogram, zettagram, zettagram, zolotnik, zolotnik, Zuz, Zuz